Snow Drops
Symptom Cause  
Bulbs gnawed; unearthed or eaten
Chipmunk
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Mold forms on leaves
Gray Mold (Botrytis Blight)
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Foliage distorted; bulbs decayed
Mite
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Plant stunted; leaves yellowed
Nematodes
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Bulbs gnawed; unearthed or eaten
Voles
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